日本いけばな芸術協会 is the organization in Japan.
According to PR-model, nihonikebana.or.jp is ranked 306,867th in multilingual Wikipedia, in particular this website is ranked 22,374th in Japanese Wikipedia.
The website is placed before thenationalcomedyawards.com and after tribunadeloscabos.com.mx in the BestRef global ranking of the most important sources of Wikipedia.